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Finding the Fourth Proportional to 503,692.67, 755,357.57 and 166,671.11

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Solution

The fourth proportional to 503,692.67, 755,357.57 and 166,671.11 is: 249,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,692.67 : 755,357.57 = 166,671.11 : x
  2. Step 2: Convert to fraction form
    503,692.67/755,357.57 = 166,671.11/x
  3. Step 3: Cross multiply
    503,692.67x = 755,357.57 × 166,671.11
  4. Step 4: Simplify right side
    503,692.67x = 125,896,283,805.45
  5. Step 5: Solve for x
    x = 125,896,283,805.45/503,692.67
  6. Step 6: Final answer
    x = 249,946.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.